public static FsIndexCollection createFsIndexCollection()

in uimafit-core/src/main/java/org/apache/uima/fit/factory/FsIndexFactory.java [102:160]
45 lines of code
10 McCabe index (conditional complexity)

  public static FsIndexCollection createFsIndexCollection(Class<?> componentClass) {
    List<FsIndex> anFsIndexList = new ArrayList<>();

    // Check FsIndexCollection annotation
    org.apache.uima.fit.descriptor.FsIndexCollection anIndexCollection = getInheritableAnnotation(
            org.apache.uima.fit.descriptor.FsIndexCollection.class, componentClass);
    if (anIndexCollection != null) {
      anFsIndexList.addAll(asList(anIndexCollection.fsIndexes()));
    }

    // Check FsIndex annotation
    org.apache.uima.fit.descriptor.FsIndex anFsIndex = getInheritableAnnotation(FsIndex.class,
            componentClass);
    if (anFsIndex != null) {
      if (anIndexCollection != null) {
        throw new IllegalStateException(
                "Class [" + componentClass.getName() + "] must not " + "declare "
                        + org.apache.uima.fit.descriptor.FsIndexCollection.class.getSimpleName()
                        + " and " + FsIndex.class.getSimpleName() + " at the same time.");
      }

      anFsIndexList.add(anFsIndex);
    }

    FsIndexCollection_impl fsIndexCollection = new FsIndexCollection_impl();

    // Process collected FsIndex annotations
    for (FsIndex anIdx : anFsIndexList) {
      // Collect index keys
      List<FsIndexKeyDescription> keys = new ArrayList<>();
      for (FsIndexKey anIndexKey : anIdx.keys()) {
        keys.add(createFsIndexKeyDescription(anIndexKey.featureName(), anIndexKey.comparator()));
      }

      // type and typeName must not be set at the same time
      if (!anIdx.typeName().equals(FsIndex.NO_NAME_TYPE_SET)
              && anIdx.type() != FsIndex.NoClassSet.class) {
        throw new IllegalStateException("Class [" + componentClass.getName() + "] must not "
                + "declare an " + org.apache.uima.fit.descriptor.FsIndex.class.getSimpleName()
                + " with type and typeName both set at the same time.");
      }

      String typeName;
      if (!anIdx.typeName().equals(FsIndex.NO_NAME_TYPE_SET)) {
        typeName = anIdx.typeName();
      } else if (anIdx.type() != FsIndex.NoClassSet.class) {
        typeName = anIdx.type().getName();
      } else {
        throw new IllegalStateException("Class [" + componentClass.getName() + "] must not "
                + "declare an " + org.apache.uima.fit.descriptor.FsIndex.class.getSimpleName()
                + " with neither type nor typeName set.");
      }

      fsIndexCollection.addFsIndex(createFsIndexDescription(anIdx.label(), anIdx.kind(), typeName,
              anIdx.typePriorities(), keys.toArray(new FsIndexKeyDescription[keys.size()])));
    }

    return fsIndexCollection;
  }